From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <ak@suse.de>
Subject: Re: [PATCH] limit rt cache size
Date: Wed, 9 Aug 2006 18:32:26 +0200
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Cc: David Miller <davem@davemloft.net>, kuznet@ms2.inr.ac.ru,
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> > There will be some hickup, but as long as the downtime
> > is limited it shouldn't be too bad.
> >
> 
> Benchmarks are in order....

One issue I forgot earlier and Kirill pointed out is that the
reallocation would require vmalloc because memory will be too fragmented
to get a big piece of physical memory. So it would add TLB pressure. 

Can't think of a good way around that.

You might have been right with being sceptical.

-Andi